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Handle Zaphod mode correctly in amdgpu_mode_hotplug

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We need to scan both screens of the entity for existing connectors, and
enumerate DVI & HDMI connectors consistently regardless of which screen
they're assigned to.

Fixes crash when hot-(un)plugging connectors in Zaphod mode.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93415
(Ported from radeon commit c801f9f10a5d72d935faf21e72f7e7808fb4f05f)

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer
2016-05-12 16:38:56 +09:00
committed by Michel Dänzer
parent 861da1d5c2
commit 14606e127f
1 changed files with 34 additions and 10 deletions
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44
src/drmmode_display.c
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@@ -36,6 +36,7 @@
#include "damagestr.h"
#include "micmap.h"
#include "xf86cmap.h"
#include "xf86Priv.h"
#include "sarea.h"
#include "drmmode_display.h"
@@ -2362,9 +2363,10 @@ amdgpu_mode_hotplug(ScrnInfoPtr scrn, drmmode_ptr drmmode)
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(scrn);
drmModeResPtr mode_res;
int i, j;
int i, j, s;
Bool found;
Bool changed = FALSE;
int num_dvi = 0, num_hdmi = 0;
mode_res = drmModeGetResources(pAMDGPUEnt->fd);
if (!mode_res)
@@ -2400,21 +2402,43 @@ restart_destroy:
for (i = 0; i < mode_res->count_connectors; i++) {
found = FALSE;
for (j = 0; j < config->num_output; j++) {
xf86OutputPtr output = config->output[j];
drmmode_output_private_ptr drmmode_output;
for (s = 0; !found && s < xf86NumScreens; s++) {
ScrnInfoPtr loop_scrn = xf86Screens[s];
xf86CrtcConfigPtr loop_config =
XF86_CRTC_CONFIG_PTR(loop_scrn);
drmmode_output = output->driver_private;
if (mode_res->connectors[i] == drmmode_output->output_id) {
found = TRUE;
break;
if (AMDGPUEntPriv(loop_scrn) != pAMDGPUEnt)
continue;
for (j = 0; !found && j < loop_config->num_output; j++) {
xf86OutputPtr output = loop_config->output[j];
drmmode_output_private_ptr drmmode_output;
drmmode_output = output->driver_private;
if (mode_res->connectors[i] ==
drmmode_output->output_id) {
found = TRUE;
switch(drmmode_output->mode_output->connector_type) {
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
case DRM_MODE_CONNECTOR_DVIA:
num_dvi++;
break;
case DRM_MODE_CONNECTOR_HDMIA:
case DRM_MODE_CONNECTOR_HDMIB:
num_hdmi++;
break;
}
}
}
}
if (found)
continue;
changed = TRUE;
drmmode_output_init(scrn, drmmode, mode_res, i, NULL, NULL, 1);
if (drmmode_output_init(scrn, drmmode, mode_res, i, &num_dvi,
&num_hdmi, 1) != 0)
changed = TRUE;
}
if (changed) {